Sill

Sill may refer to:


 * Sill (dock), a weir at the low water mark retaining water within a dock
 * Sill (geology), a subhorizontal sheet intrusion of molten or solidified magma
 * Sill (geostatistics)
 * Sill (river), a river in Austria
 * Sill plate, a construction element
 * Window sill, a more specific construction element than above
 * Automotive sill, also known as a rocker panel; see Glossary of automotive design
 * Fort Sill, a United States Army post near Lawton, Oklahoma
 * Mount Sill, a California mountain
 * Aquatic sill, a shoal near the mouth of a fjord, remnant of an extinct glacier's terminal moraine

Sill

 * Anna Peck Sill (1816-1889), American educator
 * Edward Rowland Sill (1841–1887), American poet and educator
 * George G. Sill (1829–1907), American politician from Connecticut
 * Joel Sill (born 1946), American music producer
 * John M. B. Sill (1831–1901), American diplomat
 * Joshua W. Sill (1831–1862), American Civil War brigadier general
 * Judee Sill (1944–1979), American singer and songwriter
 * Lester Sill (1918–1994), American record label executive
 * Thomas Hale Sill (1783–1856), American politician from Pennsylvania
 * Zach Sill (born 1988), Canadian ice hockey player
 * Zach Sill (born 1988), Canadian ice hockey player

Sills

 * Beverly Sills (1929–2007), American operatic soprano
 * David Sills (judge) (1938–2011), American jurist
 * David Sills (American football) (born 1996), American football player
 * Douglas Sills (born 1960), American actor
 * Eileen Sills (born 1962), British chief nurse and NHS national guardian
 * Josh Sills (born 1998), American football player
 * Kenneth C.M. Sills (1879–1954), American educator
 * Milton Sills (1882–1930), American stage and film actor
 * Paul Sills (1927–2008), American director and improvisation teacher
 * Saskia Sills (born 1996), British windsurfer and sailor
 * Steven Sills (fl. 1991–present), American screenwriter and film producer
 * Tim Sills (born 1979), English footballer